package bookshop.controller.backend;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import bookshop.domain.Book;
import bookshop.domain.Category;
import bookshop.domain.OrderInfo;
import bookshop.service.BookService;
import bookshop.service.impl.BookServiceImpl;
import bookshop.service.CategoryService;
import bookshop.service.impl.CategoryServiceImpl;
import bookshop.service.OrderService;
import bookshop.service.impl.OrderServiceImpl;

public class DDCRemoteWorkFlow extends HttpServlet {

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		request.setCharacterEncoding("utf-8");
		response.setCharacterEncoding("utf-8");
		String act = request.getParameter("act").trim();
		// "订单信息查询",
       
        
		if("getorderbyid".equals(act)){
			String orderId = request.getParameter("orderid").trim();
			OrderService orderService = new OrderServiceImpl();
			OrderInfo order = orderService.GetOrderByOrderId(orderId);
			
			response.setCharacterEncoding("utf-8");
			PrintWriter writer = response.getWriter();
			
			if(order==null){
				writer.write("没有该订单的记录");
			}
			else 
				writer.write(order.toString());
			writer.flush();
			writer.close();
			
		}
		// "图书单价标签核对打印",
		else if("getbookbyid".equals(act)){
			String bookId = request.getParameter("bookid").trim();
			BookService bookService = new BookServiceImpl();
			Book book = bookService.getBookByCode(bookId);
			
			request.setCharacterEncoding("utf-8");
			PrintWriter writer = response.getWriter();
			
			if(book==null){
				writer.write("没有该图书的记录");
			}else
				writer.write(book.toString());
			writer.flush();
			writer.close();
			
		}
		//"类别图书清单",
		else if("getbookbyctgid".equals(act)){
			String ctgId = request.getParameter("ctgid").trim();
			CategoryService categoryService = new CategoryServiceImpl();
			Category category = categoryService.getCategoryById(Integer.parseInt(ctgId));
			
			request.setCharacterEncoding("utf-8");
			PrintWriter writer = response.getWriter();
			
			if(category==null){
				writer.write("没有该图书的记录");
			}else
				writer.write(category.toString());
			writer.flush();
			writer.close();
			
		}
		

	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		this.doGet(request, response);
	}

}
